T89WOW VERY VERY NICE TUBES FOR YOUR AMPLIFIER ALL 4 TUBES WORKING THE VERY BEST THESE 3 NOS RCA BLACK PLATE 12AX7 ECC83 TUBES ARE NOS NEW PERFECT THIS MULLARD BRITISH MADE GZ34 / 5AR4 IS VERY HIGH GRADE . IT IS MADE WITH ****HALF RING DOUBLE GETTERS**** SILVER INNER LINED PLATES THIS TUBE IS ABSOLUTLEY AMAMZING . ALSO NOTICE THE TOP MICA SILVER SHIELDS . MADE IN GREAT BRITIAN B4L1 CODES MADE 1964 . LOOK AT THE LAST PHOTO TO SEE THE SILVER TOP SHIELDS THEN YOU ALSO GET A NOS MATCHED RCA TRIO BLACK FAT RIBBED PLATES 12AX7 ECC83 TUBES ALL 3 TUBES ARE ABSOLUTLEY BEAUTIFUL WORKING FANTASTIC MADE WITH SQUARE [] GETTERS MADE IN THE USA 1950’S. THESE 3 TUBES WILL SOUND AWESOME ALL 4 TUBES ARE READY TO ROCK~N~ ROLL . ALL FOUR TUBES 100% GUARANTEED FANTASTIC YOU GET EVERYTHING YOU SEE FOR THE PRICE . YOU WANT VERY HIGH GRADE AUDIO TUBES THESE ARE IT HAVE ANY QUESTIONS PLEASE ASK! Listing and template services provided by inkFrog